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| author | Kartik Agaram <vc@akkartik.com> | 2019-01-06 12:51:49 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-01-06 12:52:33 -0800 |
| commit | aff782c4293e0c471505743575a1a0683a7ed096 (patch) | |
| tree | 1cd15a0d670764bba76e91731085ec922898ec74 /subx/066allocate.subx | |
| parent | 458ee5e354fa55e770696fb19054d4c6bb60ead6 (diff) | |
| download | mu-aff782c4293e0c471505743575a1a0683a7ed096.tar.gz | |
4911
Diffstat (limited to 'subx/066allocate.subx')
| -rw-r--r-- | subx/066allocate.subx | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/subx/066allocate.subx b/subx/066allocate.subx index a4ea687c..37b01d21 100644 --- a/subx/066allocate.subx +++ b/subx/066allocate.subx @@ -183,6 +183,12 @@ allocate-region: # ad : (address allocation-descriptor), n : int -> new-ad : (a 5d/pop-to-EBP c3/return +# We could create a more general '$abort' jump target, but then we'd need to do +# a conditional jump followed by loading the error message and an unconditional +# jump. Or we'd need to unconditionally load the error message before a +# conditional jump, even if it's unused the vast majority of the time. This way +# we bloat a potentially cold segment in RAM so we can abort with a single +# instruction. $allocate-region:abort: # . _write(2/stderr, error) # . . push args |